What is the cost of living in Grayslake, IL?
According to the most recent data on the cost of living, Grayslake has an overall cost of living index of 106, which is 1.1x higher than the national index of 100.
Compared to Illinois, Grayslake has a cost of living index that's 1.1x higher than Illinois's index of 98.
The standard of living in Grayslake ranks as #194 most affordable out of the 336 places we measured in Illinois. By definition, that implies Grayslake ranks as the #142 most expensive place in the Prairie State.
For more reading on life in Grayslake, check out:
Grayslake Cost Of Living Vs. Illinois
Six factors go into calculating the cost of living index in Grayslake. Here is how it fares on each of the criteria:
The Services index in Grayslake is 101.
The Groceries index in Grayslake is 101.
The Health index in Grayslake is 132.
The Housing index in Grayslake is 96.
The Transportation index in Grayslake is 100.
The Utilities index in Grayslake is 99.
| Living Expense | Grayslake | Illinois | National Average |
|---|---|---|---|
| Overall | 106 | 98 | 100 |
| Services | 101 | 99 | 100 |
| Groceries | 101 | 99 | 100 |
| Health | 132 | 96 | 100 |
| Housing | 96 | 101 | 100 |
| Transportation | 100 | 99 | 100 |
| Utilities | 99 | 101 | 100 |
Grayslake Cost Of Living Compared To Illinois Averages
Index where 100 = national average. Source: cost-of-living index 2026.
For more reading on cost of living around Illinois, check out:
Protect your home budget Compare home warranties in Grayslake Get matched →Source: Cost-of-living index 2026, normalized to US average = 100
Grayslake, IL Housing Cost Breakdown
Housing swings affordability the most between places in Illinois, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2020-2024. The key points are:
The Median Home Value in Grayslake is $361,376.
The Median Rent in Grayslake is $1,485.
The Median Income in Grayslake is $113,972.
The Home Value To Income in Grayslake is 3.2x.
The Rent To Monthly Income in Grayslake is 0.16x.
Grayslake, IL Costs By Category
Detailed Grayslake Services costs vs. Illinois
Detailed Grayslake Groceries costs vs. Illinois
Detailed Grayslake Health costs vs. Illinois
Detailed Grayslake Transportation costs vs. Illinois
Grayslake SnackAbility
Cost Of Living In Cities Around Grayslake
The cost of living varies in the cities and towns around Grayslake. Here's a quick look at the cost of living in the most populous nearby places:
Arlington Heights, IL has a cost of living index of 125, 1.2x Grayslake.
Buffalo Grove, IL has a cost of living index of 126, 1.2x Grayslake.
Northbrook, IL has a cost of living index of 151, 1.4x Grayslake.
| City | Population | Cost Of Living | Vs. Grayslake |
|---|---|---|---|
| Arlington Heights, IL | 76,005 | 125 | 1.2x |
| Buffalo Grove, IL | 42,891 | 126 | 1.2x |
| Northbrook, IL | 34,585 | 151 | 1.4x |
| Gurnee, IL | 30,510 | 111 | 1.0x |
| Highland Park, IL | 30,398 | 144 | 1.4x |
| Round Lake Beach, IL | 27,079 | 100 | 0.9x |
| Lake Zurich, IL | 19,832 | 122 | 1.2x |
| Deerfield, IL | 19,518 | 148 | 1.4x |
| Round Lake, IL | 18,628 | 106 | 1.0x |
| Lindenhurst, IL | 14,417 | 110 | 1.0x |








